#define _CRT_SECURE_NO_WARNINGS 1
#include "Stack.h"
int main()
{
	ST st;
	STInit(&st);
	STPush(&st,'(');
	STPush(&st, ']');
	bool ret = isValid(&s);
	
	if (ret == "false")
	{
		printf("no");
	}
	else
	{
		printf("yes");
	}
	

	Destory(&st);
	return 0;
}